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Komok [63]
1 year ago
13

A 4 pack of toy cars cost 3.64. What is the unit price

Mathematics
1 answer:
marissa [1.9K]1 year ago
5 0

Answer:0.91

Step-by-step explanation:

3.64/4=0.91

unit price=cost of one item/thing

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Yes because 4x3^x =12^x since the coefficient is added to the answer because it is in the 3.
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2 years ago
If ∠A and ∠B are supplementary and m∠A = 37°45', then m∠B = ______.
xenn [34]

Answer: 142°15'

Explanation:

Supplementary angles are angles that add up to make a straight angle (180^{\circ}).

Therefore, we must find the angle ∠B such that

∠A + ∠B = 180° (1)

We know that ∠A = 37°45', so we can re-arrange equation (1) to find the magnitude of ∠B:

∠B = 180° - ∠A = 180° - 37°45' = 142°15'

So, the correct answer is

142°15'

6 0
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Sedaia [141]

Answer:

The amount of steel used = 94.38 m^{2}

Step-by-step explanation:

Height of the tank = 4.5 m.

Diameter of the tank = 4.2 m.

But,

radius = \frac{diameter}{2}

           = \frac{4.2}{2}

radius  = 2.1 m

Total surface area of a cylinder = 2\pirh + 2\pir^{2}

                                      = 2\pir(r + h)

                                      = 2 x \frac{22}{7} x 2.1 (2.1 + 4.5)

                                      = 44 x 0.3 (6.6)

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Total surface area of a cylinder = 87.12 m^{2}

Since \frac{1}{12} of the steel was wasted, then;

\frac{1}{12} x 87.12 = 7.26 m^{2}

Actual area of steel sheet used = 87.12 + 7.26

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Thus, 94.38 m^{2} of steel was used in making the tank.

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2 years ago
20 POINTS IF CORRECT CAN SOMEONE HELP ME
Nataly [62]

Answer:

what do you need help with?

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2 years ago
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